restitution vs mend

restitution and mend both are nouns.

Word	Noun	Adjective	Verb	Adverb
restitution	Yes	No	No	No
mend	Yes	No	Yes	No

As nouns, mend is a hypernym of restitution; that is, mend is a word with a broader meaning than restitution:

Other hypernyms of restitution include fix, fixing, fixture, mending, repair, reparation.

restitution (noun)	mend (noun)
getting something back again	the act of putting something in working order again
the act of restoring something to its original state	sewing that repairs a worn or torn hole (especially in a garment)
a sum of money paid in compensation for loss or injury

restitution (verb)	mend (verb)
	restore by replacing a part or putting together what is torn or broken
	heal or recover